Which of the Following Is One Reason for Including a Subject

question 49

Multiple Choice

Which of the following is one reason for including a subject line in a business letter?

• A)It can eliminate the need to state your main idea in the opening.
• B)It makes the letter appear more official.
• C)It helps the reader to recall earlier correspondence.
• D)It helps you to keep the main point of the letter in mind.

---

Definitions:

Random Assignment

The allocation of study participants to different groups by chance, minimizing pre-existing differences between those groups.

True Experiments

A type of scientific experiment where the researcher manipulates one variable, and controls/randomizes the rest of the variables.

Construct Validity

The degree to which a test or instrument accurately measures the theoretical construct it is intended to measure.

One-group Pretest-posttest Design

An experimental design where a single group is measured both before and after a treatment, assessing the treatment's impact.